Importance

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Abstract

A hoisting apparatus or PPE for use at a manhole comprises a structure mountable to a surface, the manhole and/or a structure present in the vicinity of the manhole. The hoisting apparatus comprises a multi-angle bearing assembly mounted at one end of the structure that is adapted to have a rope or alike attached or anchored to a point of the structure distant to the multi-head bearing assembly to guide the rope when the rope extends in one of an available range of directions. The multi-angle bearing assembly comprises a ring assembly defining an opening adapted for the rope to go through, and a plurality of spools mounted to the ring assembly adapted to guide the rope in a path distant from the edge of the ring assembly in any if the direction of the rope of the range of available directions.

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First Claim